#include<stdio.h>

#define M 100

int main()
{
    printf("Hello Linux：%d\n",2);
    printf("Hello Linux：%d\n",M);
    //printf("Hello Linux：%d\n",4);
    //printf("Hello Linux：%d\n",5);
    printf("Hello Linux：%d\n",6);
    return 0;
}

